carbuncle

car·bun·cle

noun \ˈkär-ˌbəŋ-kəl\

Definition of CARBUNCLE

: a painful local purulent inflammation of the skin and deeper tissues with multiple openings for the discharge of pus and usually necrosis and sloughing of dead tissue

—car·bun·cu·lar \kär-ˈbəŋ-kyə-lər\ adjective